diff --git a/backend/.env.dist b/backend/.env.dist
index c0a2a6098..861e5ebb3 100644
--- a/backend/.env.dist
+++ b/backend/.env.dist
@@ -1,4 +1,4 @@
-CONFIG_VERSION=v12.2022-11-10
+CONFIG_VERSION=v13.2022-12-20
 
 # Server
 PORT=4000
@@ -30,6 +30,7 @@ COMMUNITY_REGISTER_URL=http://localhost/register
 COMMUNITY_REDEEM_URL=http://localhost/redeem/{code}
 COMMUNITY_REDEEM_CONTRIBUTION_URL=http://localhost/redeem/CL-{code}
 COMMUNITY_DESCRIPTION=Die lokale Entwicklungsumgebung von Gradido.
+COMMUNITY_SUPPORT_MAIL=support@supportmail.com
 
 # Login Server
 LOGIN_APP_SECRET=21ffbbc616fe
diff --git a/backend/.env.template b/backend/.env.template
index 1bb2e4155..9d8696c6a 100644
--- a/backend/.env.template
+++ b/backend/.env.template
@@ -29,6 +29,7 @@ COMMUNITY_REGISTER_URL=$COMMUNITY_REGISTER_URL
 COMMUNITY_REDEEM_URL=$COMMUNITY_REDEEM_URL
 COMMUNITY_REDEEM_CONTRIBUTION_URL=$COMMUNITY_REDEEM_CONTRIBUTION_URL
 COMMUNITY_DESCRIPTION=$COMMUNITY_DESCRIPTION
+COMMUNITY_SUPPORT_MAIL=$COMMUNITY_SUPPORT_MAIL
 
 # Login Server
 LOGIN_APP_SECRET=21ffbbc616fe
diff --git a/backend/src/config/index.ts b/backend/src/config/index.ts
index 38a4fde05..4d605857f 100644
--- a/backend/src/config/index.ts
+++ b/backend/src/config/index.ts
@@ -17,7 +17,7 @@ const constants = {
   LOG_LEVEL: process.env.LOG_LEVEL || 'info',
   CONFIG_VERSION: {
     DEFAULT: 'DEFAULT',
-    EXPECTED: 'v12.2022-11-10',
+    EXPECTED: 'v13.2022-12-20',
     CURRENT: '',
   },
 }
@@ -58,6 +58,7 @@ const community = {
     process.env.COMMUNITY_REDEEM_CONTRIBUTION_URL || 'http://localhost/redeem/CL-{code}',
   COMMUNITY_DESCRIPTION:
     process.env.COMMUNITY_DESCRIPTION || 'Die lokale Entwicklungsumgebung von Gradido.',
+  COMMUNITY_SUPPORT_MAIL: process.env.COMMUNITY_SUPPORT_MAIL || 'support@supportmail.com',
 }
 
 const loginServer = {